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Finding the Fourth Proportional to 133,871.60, 200,807.40 and 63,887.60

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Solution

The fourth proportional to 133,871.60, 200,807.40 and 63,887.60 is: 95,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,871.60 : 200,807.40 = 63,887.60 : x
  2. Step 2: Convert to fraction form
    133,871.60/200,807.40 = 63,887.60/x
  3. Step 3: Cross multiply
    133,871.60x = 200,807.40 × 63,887.60
  4. Step 4: Simplify right side
    133,871.60x = 12,829,102,848.24
  5. Step 5: Solve for x
    x = 12,829,102,848.24/133,871.60
  6. Step 6: Final answer
    x = 95,831.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.